坂口 慶祐


連絡先

Allen Institute for Artificial Intelligence (AI2) Email: keisukes@allenai.org
2157 N Northlake Way, Suite 110 GitHub: https://github.com/keisks
Seattle, WA, 98103 https://keisuke-sakaguchi.github.io/

職歴

Allen Institute for AI (AI2) 08/2018 -- 現在
リサーチサイエンティスト
IBM T. J. Watson Research Center 05/2017 -- 08/2017
リサーチインターン
Educational Testing Service (ETS) 05/2014 -- 08/2014
リサーチインターン
奈良先端科学技術大学院大学 04/2013 -- 08/2013
日本学術振興会特別研究員 (DC1)
Microsoft Research Asia 08/2012 -- 11/2012
リサーチインターン
ヤフー ジャパン 08/2011 -- 09/2011
リサーチインターン
日本IBMシステムズエンジニアリング 04/2008 -- 03/2011
IT エンジニア
理化学研究所 脳科学総合研究センター 12/2006 -- 03/2008
テクニカルアシスタント

学歴

Johns Hopkins University 08/2013 -- 08/2018
Ph.D. in Computer Science
指導教員: Porf. Benjamin Van Durme, Matt Post
奈良先端科学技術大学院大学 04/2011 -- 03/2013
工学修士(情報科学)
指導教員: 松本裕治 教授, 小町守 助教
University of Essex 10/2005 -- 09/2006
M.A. in Psycholinguistics and Neurolinguistics
指導教員: Prof. Harald Clahsen
早稲田大学 第一文学部 4/2001 -- 03/2005
文学学士(哲学)
指導教員: 佐藤真理人 教授

受賞・表彰

言語処理学会年次大会 優秀賞 2022
AAAI Outstanding Paper (Single Best Paper) Award 2020
NLP若手の会 奨励賞 2019
ACL Outstanding Paper Award 2017
言語処理学会 論文賞 2017
奈良先端科学技術大学院大学優秀学生 2013
University of Essex: graduate with distinction in Psycho(&Neuro)linguistics 2006

国際論文誌(査読あり)

  1. WinoGrande: An Adversarial Winograd Schema Challenge at Scale
    Keisuke Sakaguchi, Ronan Le Bras, Chandra Bhagavatula, and Yejin Choi
    Commun. ACM Aug 2021
  2. Reassessing the Goals of Grammatical Error Correction: Fluency Instead of Grammaticality
    Keisuke Sakaguchi, Courtney Napoles, Matt Post, and Joel Tetreault
    Transactions of the Association for Computational Linguistics 2016

国際会議(査読あり)

  1. Bidimensional Leaderboards: Generate and Evaluate Language Hand in Hand
    Jungo Kasai, Keisuke Sakaguchi, Ronan Le Bras, Lavinia Dunagan, Jacob Morrison, Alexander R. Fabbri, Yejin Choi, and Noah A. Smith
    Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics Jul 2022
  2. Transparent Human Evaluation for Image Captioning
    Jungo Kasai, Keisuke Sakaguchi, Lavinia Dunagan, Jacob Morrison, Ronan Le Bras, Yejin Choi, and Noah A. Smith
    Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics Jul 2022
  3. proScript: Partially Ordered Scripts Generation
    Keisuke Sakaguchi, Chandra Bhagavatula, Ronan Le Bras, Niket Tandon, Peter Clark, and Yejin Choi
    Findings of the Association for Computational Linguistics: EMNLP 2021 Nov 2021
  4. COMET-ATOMIC 2020: On Symbolic and Neural Commonsense Knowledge Graphs
    Jena D. Hwang, Chandra Bhagavatula, Ronan Le Bras, Jeff Da, Keisuke Sakaguchi, Antoine Bosselut, and Yejin Choi
    Proceedings of the AAAI Conference on Artificial Intelligence May 2021
  5. A Dataset for Tracking Entities in Open Domain Procedural Text
    Niket Tandon, Keisuke Sakaguchi, Bhavana Dalvi, Dheeraj Rajagopal, Peter Clark, Michal Guerquin, Kyle Richardson, and Eduard Hovy
    Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Nov 2020
  6. Uncertain Natural Language Inference
    Tongfei Chen, Zhengping Jiang, Adam Poliak, Keisuke Sakaguchi, and Benjamin Van Durme
    Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Jul 2020
  7. The Universal Decompositional Semantics Dataset and Decomp Toolkit
    Aaron Steven White, Elias Stengel-Eskin, Siddharth Vashishtha, Venkata Subrahmanyan Govindarajan, Dee Ann Reisinger, Tim Vieira, Keisuke Sakaguchi, Sheng Zhang, Francis Ferraro, Rachel Rudinger, Kyle Rawlins, and Benjamin Van Durme
    Proceedings of the 12th Language Resources and Evaluation Conference May 2020
  8. Abductive Commonsense Reasoning
    Chandra Bhagavatula, Ronan Le Bras, Chaitanya Malaviya, Keisuke Sakaguchi, Ari Holtzman, Hannah Rashkin, Doug Downey, Wen-tau Yih, and Yejin Choi
    International Conference on Learning Representations 2020
  9. WinoGrande: An Adversarial Winograd Schema Challenge at Scale
    Keisuke Sakaguchi, Ronan Le Bras, Chandra Bhagavatula, and Yejin Choi
    Proceedings of the AAAI Conference on Artificial Intelligence Apr 2020
  10. WIQA: A dataset for “What if...” reasoning over procedural text
    Niket Tandon, Bhavana Dalvi, Keisuke Sakaguchi, Peter Clark, and Antoine Bosselut
    Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) Nov 2019
  11. Efficient Online Scalar Annotation with Bounded Support
    Keisuke Sakaguchi, and Benjamin Van Durme
    Proceedings of the 56th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Jul 2018
  12. Grammatical Error Correction with Neural Reinforcement Learning
    Keisuke Sakaguchi, Matt Post, and Benjamin Van Durme
    Proceedings of the Eighth International Joint Conference on Natural Language Processing (Volume 2: Short Papers) Nov 2017
  13. Error-repair Dependency Parsing for Ungrammatical Texts
    Keisuke Sakaguchi, Matt Post, and Benjamin Van Durme
    Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Jul 2017
  14. JFLEG: A Fluency Corpus and Benchmark for Grammatical Error Correction
    Courtney Napoles, Keisuke Sakaguchi, and Joel Tetreault
    Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics: Volume 2, Short Papers Apr 2017
  15. Robsut Wrod Reocginiton via Semi-Character Recurrent Neural Network
    Keisuke Sakaguchi, Kevin Duh, Matt Post, and Benjamin Van Durme
    Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence 2017
  16. Universal Decompositional Semantics on Universal Dependencies
    Aaron Steven White, Drew Reisinger, Keisuke Sakaguchi, Tim Vieira, Sheng Zhang, Rachel Rudinger, Kyle Rawlins, and Benjamin Van Durme
    Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing Nov 2016
  17. There’s No Comparison: Reference-less Evaluation Metrics in Grammatical Error Correction
    Courtney Napoles, Keisuke Sakaguchi, and Joel Tetreault
    Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing Nov 2016
  18. Phrase Structure Annotation and Parsing for Learner English
    Ryo Nagata, and Keisuke Sakaguchi
    Proceedings of the 54th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Aug 2016
  19. Ground Truth for Grammatical Error Correction Metrics
    Courtney Napoles, Keisuke Sakaguchi, Matt Post, and Joel Tetreault
    Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 2: Short Papers) Jul 2015
  20. Effective Feature Integration for Automated Short Answer Scoring
    Keisuke Sakaguchi, Michael Heilman, and Nitin Madnani
    Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies May 2015
  21. Discriminative Approach to Fill-in-the-Blank Quiz Generation for Language Learners
    Keisuke Sakaguchi, Yuki Arase, and Mamoru Komachi
    Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Aug 2013
  22. Joint English Spelling Error Correction and POS Tagging for Language Learners Writing
    Keisuke Sakaguchi, Tomoya Mizumoto, Mamoru Komachi, and Yuji Matsumoto
    Proceedings of COLING 2012 Dec 2012

国際ワークショップ(査読あり)

  1. Interscript: A dataset for interactive learning of scripts through error feedback
    Niket Tandon, Aman Madaan, Peter Clark, Keisuke Sakaguchi, and Yiming Yang
    The AAAI-22 Workshop on Interactive Machine Learning 2022
  2. GEC into the future: Where are we going and how do we get there?
    Keisuke Sakaguchi, Courtney Napoles, and Joel Tetreault
    Proceedings of the 12th Workshop on Innovative Use of NLP for Building Educational Applications Sep 2017
  3. Efficient Elicitation of Annotations for Human Evaluation of Machine Translation
    Keisuke Sakaguchi, Matt Post, and Benjamin Van Durme
    Proceedings of the Ninth Workshop on Statistical Machine Translation Jun 2014
  4. Construction of English MWE Dictionary and its Application to POS Tagging
    Yutaro Shigeto, Ai Azuma, Sorami Hisamoto, Shuhei Kondo, Tomoya Kose, Keisuke Sakaguchi, Akifumi Yoshimoto, Frances Yung, and Yuji Matsumoto
    Proceedings of the 9th Workshop on Multiword Expressions Jun 2013

国際ワークショップ(査読なし)

  1. NAIST at 2013 CoNLL Grammatical Error Correction Shared Task
    Ippei Yoshimoto, Tomoya Kose, Kensuke Mitsuzawa, Keisuke Sakaguchi, Tomoya Mizumoto, Yuta Hayashibe, Mamoru Komachi, and Yuji Matsumoto
    Proceedings of the Seventeenth Conference on Computational Natural Language Learning: Shared Task Aug 2013
  2. NAIST at the NLI 2013 Shared Task
    Tomoya Mizumoto, Yuta Hayashibe, Keisuke Sakaguchi, Mamoru Komachi, and Yuji Matsumoto
    Proceedings of the Eighth Workshop on Innovative Use of NLP for Building Educational Applications Jun 2013
  3. NAIST at the HOO 2012 Shared Task
    Keisuke Sakaguchi, Yuta Hayashibe, Shuhei Kondo, Lis Kanashiro, Tomoya Mizumoto, Mamoru Komachi, and Yuji Matsumoto
    Proceedings of the Seventh Workshop on Building Educational Applications Using NLP Jun 2012

プレプリント

  1. Twist Decoding: Diverse Generators Guide Each Other
    Jungo Kasai, Keisuke Sakaguchi, Ronan Le Bras, Hao Peng, Ximing Lu, Dragomir Radev, Yejin Choi, and Noah A. Smith
    arXiv 2022
  2. ELQA: A Corpus of Questions and Answers about the English Language
    Shabnam Behzad, Keisuke Sakaguchi, Nathan Schneider, and Amir Zeldes
    arXiv 2022
  3. Beam Decoding with Controlled Patience
    Jungo Kasai, Keisuke Sakaguchi, Ronan Le Bras, Dragomir Radev, Yejin Choi, and Noah A. Smith
    arXiv 2022
  4. Improving Neural Model Performance through Natural Language Feedback on Their Explanations
    Aman Madaan, Niket Tandon, Dheeraj Rajagopal, Yiming Yang, Peter Clark, Keisuke Sakaguchi, and Eduard H. Hovy
    arXiv 2021
  5. GrammarTagger: A Multilingual, Minimally-Supervised Grammar Profiler for Language Education
    Masato Hagiwara, Joshua Tanner, and Keisuke Sakaguchi
    arXiv 2021
  6. GLEU Without Tuning
    Courtney Napoles, Keisuke Sakaguchi, Matt Post, and Joel R. Tetreault
    arXiv 2016

国内論文誌(査読あり)

  1. Phrase Structure Annotation and Parsing for Learner English
    Keisuke Sakaguchi, and Ryo Nagata
    自然言語処理 2017年 6月

国内研究会・全国大会・シンポジウム等(査読なし)

  1. 論述リビジョンのためのメタ評価基盤
    三田 雅人, 坂口 慶祐, 萩原 正人, 水本 智也, 鈴木 潤, 乾 健太郎
    言語処理学会第28回年次大会論文集 2022年 3月
  2. 文法誤り訂正を拡張した新タスクの提案
    三田 雅人, 萩原 正人, 坂口 慶祐, 水本 智也, 鈴木 潤, 乾 健太郎
    NLP若手の会 第14回シンポジウム 2021年 8月
  3. 論述リライトタスクの提案と自動評価の実現に向けて
    三田 雅人, 萩原 正人, 坂口 慶祐, 水本 智也, 鈴木 潤, 乾 健太郎
    言語処理学会第27回年次大会 ワークショップ「文章の評価と品質推定」 2021年 3月
  4. 英作文誤り訂正における複数の手法の利用に関する考察
    水本 智也, 林部 祐太, 坂口 慶祐, 小町 守, 松本 裕治
    情報処理学会第208回自然言語処理研究会 2012年 9月
  5. 英語スペリング訂正と品詞タグ付けの結合学習
    坂口 慶祐, 水本 智也, 小町 守, 松本 裕治
    情報処理学会第206回自然言語処理研究会 2012年 5月
  6. オークション検索クリックスルーログからの属性値抽出
    水本 智也, 坂口 慶祐, 小町 守, 内海 慶, 河野 洋志, 前澤 敏之, 佐藤 敏紀
    言語処理学会第18回年次大会論文集 2011年 3月